Latin word umquam comes from Latin quom ((archaic).), Latin quam

Detailed word origin of umquam

Dictionary entry	Language	Definition
quom	Latin (lat)	(archaic).
quam	Latin (lat)	(after comparative nouns) than. (in comparisons) as. In what (which) way, to what (which) degree; how, how much, as much as, as far as.
umquam	Latin (lat)	At any time, ever.

Words with the same origin as umquam